Refrigerator control unit



FIG. 1 is a front elevational view of the refrigerator control unit according to the present invention;

FIG. 2 is a perspective view thereof;

FIG. 3 is a reduced perspective view thereof; and,

FIG. 4 is a side view of FIG. 1. 

The ornamental design for a refrigerator control unit, as described and shown in FIGS. 1 through 4, inclusive. 